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7076 Aluminum vs. R58150 Titanium

7076 aluminum belongs to the aluminum alloys classification, while R58150 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 7076 aluminum and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
140
Elongation at Break, % 6.2
13
Fatigue Strength, MPa 170
330
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
52
Shear Strength, MPa 310
470
Tensile Strength: Ultimate (UTS), MPa 530
770
Tensile Strength: Yield (Proof), MPa 460
550

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 630
1760
Melting Onset (Solidus), °C 460
1700
Specific Heat Capacity, J/kg-K 860
500
Thermal Expansion, µm/m-K 24
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
48
Density, g/cm3 3.0
5.4
Embodied Carbon, kg CO2/kg material 8.0
31
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 1110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
94
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
32
Strength to Weight: Axial, points 49
40
Strength to Weight: Bending, points 48
35
Thermal Shock Resistance, points 23
48

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0.3 to 1.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.6
0 to 0.1
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0
14 to 16
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.2
83.5 to 86
Zinc (Zn), % 7.0 to 8.0
0
Residuals, % 0 to 0.15
0